Flipkart — They r not giving me refund

Sir...i have purchased one lower from Flipkart on 4 June n on 7 June i have received product n on same day i have raise return request bcz of fake or duplicate product without price tag and company name ...aftr 7 days automatically return cancelled by flipkart n no one came to my dooor for pickup..story start from here... flipkart playing smart game..now they started to tell me new reason all time n cancelled all req with all new reason so sir I'm mentally harrassed n want my compensation for that also as they still didn't pickup my product n also didn't given any kind of refund in my account